Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Polk County, WI was 42481.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Polk County, WI reached a record high of 42698.00000 in January of 2010 and a record low of 41233.00000 in January of 2018. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Polk County, WI - last updated from the United States Federal Reserve on May of 2024.